Meaning of wing wall | Babel Free

Definitions

1. In a bridge, a retaining wall on either side of an abutment.
2. With a tunnel, a retaining wall on either side of the portal.

Examples

“Such an abutment would typically have⟳ wing walls that have⟳ sloping tops, to match⟳ the profile of the embankment. The wing walls are usually angled back from the abutment wall.”

“The later tunnel has a portal of blue engineering bricks, and the curved wing walls are wider than those of the old tunnel, which has a rather cramped appearance.”

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